Finding the Fourth Proportional to 812,104.18, 1,119,959.04 and 697,343.74
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Solution
The fourth proportional to 812,104.18, 1,119,959.04 and 697,343.74 is: 961,694.87
Step by Step Solution
- Step 1: Write the proportion equation
812,104.18 : 1,119,959.04 = 697,343.74 : x - Step 2: Convert to fraction form
812,104.18/1,119,959.04 = 697,343.74/x - Step 3: Cross multiply
812,104.18x = 1,119,959.04 × 697,343.74 - Step 4: Simplify right side
812,104.18x = 780,996,425,600.41 - Step 5: Solve for x
x = 780,996,425,600.41/812,104.18 - Step 6: Final answer
x = 961,694.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.